Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction submitted by https://total-bookmark.com/story20127415/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-independent-academia-edu-drewandreassen4